Table 3.
Associations between early-pregnancy body mass index and maternal health outcomes in the PreSSMat cohort in Matlab, Bangladesh
| Pregnancy-induced hypertension |
Cesarean section |
Perineal tear (2nd degree or more)* |
Postpartum hemorrhage* | ||||
|---|---|---|---|---|---|---|---|
| BMI category† |
OR (95% CI) |
aOR (95% CI)‡ |
OR (95% CI) |
aOR* (95% CI)§ |
OR (95% CI) |
aOR (95% CI)‖ |
OR (95% CI)¶ |
| Underweight |
0.53 (0.31-0.92) |
0.47 (0.27-0.81) |
0.74 (0.61-0.89) |
0.69 (0.57-0.84) |
1.12 (0.50-2.50) |
0.97 (0.43-2.20) |
1.85 (0.94-3.64) |
| Normal-weight** |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
| Overweight | 1.95 (1.43-2.66) | 2.21 (1.59-3.05) | 1.69 (1.43-1.99) | 1.76 (1.48-2.09) | 1.56 (0.74-3.27) | 1.94 (0.91-4.15) | 0.92 (0.38-2.26) |
BMI – body mass index, OR – odds ratio, aOR – adjusted odds ratio, CI – confidence interval
*Analysis limited to women with vaginal delivery.
†BMI category: underweight (<18.5 kg/m2), normal-weight (18.5-24 kg/m2), and overweight (≥25 kg/m2).
‡Adjusted for maternal parity and wealth quintile.
§Adjusted for maternal parity, age and wealth quintile.
‖Adjusted for maternal age.
¶No covariate associated with exposure and outcome, thus crude OR is presented.
**Reference category.